Madder than a wet hen
When a hen gets wet, it becomes a feathered f-bomb. This phrase is used by people who think they’re the reason the word ‘mad’ exists and also think they’re the only ones who use it properly.
I was madder than a wet hen when my dog ate my favorite sock.
He was madder than a wet hen when his kid used his phone to play games all night.
She was madder than a wet hen when her kid drew on the wall with crayons.